A Preliminary Study of Hourly Wages Paid to Unskilled Employees

question 32

Multiple Choice

A preliminary study of hourly wages paid to unskilled employees in three metropolitan areas was conducted. Seven employees were included from Area A, 9 from Area B, and 12 from Area C. The test statistic was computed to be 4.91. What can we conclude at the 0.05 level?

• A) The mean hourly wages of unskilled employees of all areas are equal.
• B) The mean hourly wages in at least two metropolitan areas are different.
• C) More degrees of freedom are needed.
• D) None of these is correct.

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Definitions:

Compound Fracture

A type of bone fracture where the broken bone pierces the skin, creating an open wound and increasing the risk of infection.

Break In Skin

An interruption in the continuity of the skin which can be due to cuts, scratches, or abrasions, potentially allowing entry for pathogens.

DXA

Dual-energy X-ray Absorptiometry, a medical imaging technique used to measure bone mineral density and assess the risk of fractures.

Bony Projection

A protrusion or bump found on a bone that serves as an attachment point for muscles or ligaments.